JBtek All Black Sleeved 4 Way PWM Splitter Hub for 12V Computer Fans The JBtek 4 way fan hub allows you to connect up to 4 PWM devices Compatible with all 12V CPU or case fans with 4 pin or 3 pin connector Double adhesive tape for easy mounting to your computer case, extra long cable for easy installation NOTE: please do not exceed 12V 2A total output Package includes: 1 x JBtek 4 Way PWM Fan Hub